Sewing machine



FIG. 1. is a front view of a sewing machine showing our new design.

FIG. 2. is a back view thereof.

FIG. 3 is a left side view thereof.

FIG. 4. is a right side view thereof.

FIG. 5. is a top plan view thereof.

FIG. 6. is a bottom plan view thereof.

FIG. 7. is a front, top and right side perspective view thereof; and,

FIG. 8 is a cross-sectional view thereof taken along line I—I of FIG. 1. 

The ornamental design for a sewing machine, as shown and described. 